![Comparison of several possible sizes for the exoplanet Gliese 581 e with the Solar System planet Earth, using approximate models of planetary radius as a function of mass[1] for several possible compositions, based on mass reported in the Open Exoplanet Catalogue[2] as of 2015-11-14. Models include: water world with a rocky core, composed of 75% H2O, 3% Fe, 22% MgSiO3 hypothetical pure water (ice) planet, the largest size for Gliese 581 e without a significant H/He envelope rocky terrestrial "Earth-like" planet, composed of 67% Fe, 32.5% MgSiO3 hypothetical pure iron planet, Gliese 581 e's theoretical smallest size Gliese 581 e is not likely to be smaller than the iron planet, and will be considerably larger than the water planet if significant H or He is present. For non-transiting planets, all modeled sizes will be underestimates to the extent that the planet's actual mass is larger than the reported minimum mass. ↑ Seager, S.; M. Kuchner, C. A. Hier-Majumder and B. Militzer (2007). "Mass–radius relationships for solid exoplanets". The Astrophysical Journal 669: 1279–1297. DOI:10.1086/521346. Retrieved on 2015-11-14. ↑ Open Exoplanet Catalogue (2015-11-14). Retrieved on 2015-11-14.](http://upload.wikimedia.org/wikipedia/commons/thumb/a/ad/Exoplanet_Comparison_Gliese_581_e.png/800px-Exoplanet_Comparison_Gliese_581_e.png)
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current | 21:49, 31 December 2009 | ![]() | 1,040 × 480 (199 KB) | Aldaron | Upload bug |
21:47, 31 December 2009 | ![]() | 1,040 × 480 (199 KB) | Aldaron | After really changing Earth upper bound to 1.6 | |
21:45, 31 December 2009 | ![]() | 1,040 × 480 (211 KB) | Aldaron | After changing Earth upper bound to 1.6 | |
17:03, 31 December 2009 | ![]() | 1,040 × 480 (211 KB) | Aldaron | Test new graphics styles | |
06:41, 31 December 2009 | ![]() | 1,040 × 480 (207 KB) | Aldaron | Test increased line brightness | |
06:34, 31 December 2009 | ![]() | 1,040 × 480 (205 KB) | Aldaron | {{Information |Description=TBD |Source={{own}} |Date= |Author= Aldaron |Permission= |other_versions= }} |
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